7x+3y-4z-5x+3y-4z=

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Solution for 7x+3y-4z-5x+3y-4z= equation:


Simplifying
7x + 3y + -4z + -5x + 3y + -4z = 0

Reorder the terms:
7x + -5x + 3y + 3y + -4z + -4z = 0

Combine like terms: 7x + -5x = 2x
2x + 3y + 3y + -4z + -4z = 0

Combine like terms: 3y + 3y = 6y
2x + 6y + -4z + -4z = 0

Combine like terms: -4z + -4z = -8z
2x + 6y + -8z = 0

Solving
2x + 6y + -8z = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-6y' to each side of the equation.
2x + 6y + -6y + -8z = 0 + -6y

Combine like terms: 6y + -6y = 0
2x + 0 + -8z = 0 + -6y
2x + -8z = 0 + -6y
Remove the zero:
2x + -8z = -6y

Add '8z' to each side of the equation.
2x + -8z + 8z = -6y + 8z

Combine like terms: -8z + 8z = 0
2x + 0 = -6y + 8z
2x = -6y + 8z

Divide each side by '2'.
x = -3y + 4z

Simplifying
x = -3y + 4z

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